2 files changed, 17 insertions, 0 deletions
diff --git a/crates/renderer/src/assets/shaders/background/frag.glsl b/crates/renderer/src/assets/shaders/background/frag.glsl
new file mode 100644
index 0000000..73a166d
--- /dev/null
+++ b/crates/renderer/src/assets/shaders/background/frag.glsl
@@ -0,0 +1,13 @@
+uniform sampler2D texture_data;
+uniform sampler2D background;
+
+void main()
+{
+    vec2 tcfull = vec2(vertex_texcoord.x, 1.0 - vertex_texcoord.y);
+    vec4 texel = texture(texture_data, tcfull);
+    if (texel.r == 0.0) {
+        discard;
+    }
+    // frag_color = vec4(1.0, 1.0, 1.0, 1.0);
+    frag_color = vec4(texture(background, tcfull).xyz, 1.0);
+}
diff --git a/crates/renderer/src/assets/shaders/background/vert.glsl b/crates/renderer/src/assets/shaders/background/vert.glsl
new file mode 100644
index 0000000..33e176c
--- /dev/null
+++ b/crates/renderer/src/assets/shaders/background/vert.glsl
@@ -0,0 +1,4 @@
+void main()
+{
+    default_main();
+}